<template>
    <view class="container">
        <!-- 顶部选项卡 -->
        <scroll-view class="pagecontrol-top-scroll" scroll-x="true" scroll-with-animation :scroll-into-view="scrollInto">
            <view class="pagecontrol-top-title">
                <view v-for="(item, index) in itemsArr" :key="index" class="pagecontrol-top-text" @click="changeTab(index)" :id="'tab' + index">
                    <view :class="tabIndex === index ? 'pagecontrol-top-selected' : 'pagecontrol-top-normal'">{{ item }}</view>
                    <view class="pagecontrol-bottom-line" :class="tabIndex === index ? 'pagecontrol-bottom-line-show' : 'pagecontrol-bottom-line-visibility'"></view>
                </view>
            </view>
        </scroll-view>

        <!-- 内容 -->
        <swiper :duration="150" :current="tabIndex" @change="onChangeTab" :style="'height:' + scrollH + 'px;'">
            <swiper-item v-for="(item, index) in itemsArr" :key="index">
                <scroll-view scroll-y="true" show :style="'height:' + scrollH + 'px;'" style="background-color: #F5F5F5;">
                    <template v-if="true">
                        <!-- 列表 -->
                        <view v-for="(item2, index2) in orderList" :key="index2">
                            <!-- 列表样式 -->
                            <view class="order-item">
                                <view class="order-top-view">
                                    <view class="order-store-name">{{ item2.title }}</view>
                                    <view class="order-status">已预约</view>
                                </view>
                                <view class="order-content">
                                    <view class="">
                                        <view class="order-name">名称：{{ item2.name }}</view>
                                        <view class="order-date">日期：{{ item2.createTime }}</view>
                                    </view>
                                    <view class="price">
                                        <text>￥</text>
                                        <text style="font-size: 18px;">77</text>
                                        <text style="font-size: 14px;">.50</text>
                                    </view>
                                </view>
                                <!-- 操作按钮 -->
                                <view class="bottom-buttons">
                                    <view class="button-tag">删除</view>
                                    <view class="button-tag">取消</view>
                                    <view class="button-tag" style="background-color: #0abafa; color: white;">预约</view>
                                </view>
                            </view>
                        </view>
                    </template>

                    <!-- 无数据提示 -->
                    <template v-else>
                        <fq-empty empty-text="暂无订单"></fq-empty>
                    </template>
                </scroll-view>
            </swiper-item>
        </swiper>
    </view>
</template>

<script>
export default {
    data() {
        return {
            itemsArr: ['分类', '最热', ],
            tabIndex: 0,
            scrollInto: '',
            scrollH: 660,
            orderList: [
                {
                    id: 1,
                    title: '红烧肉',
                    name: '肉类',
                    createTime: '2022-02-17'
                },
                {
                    id: 2,
                    title: '红烧肉',
                    name: '肉类',
                    createTime: '2022-04-27'
                },
                {
                    id: 2,
                    title: '红烧肉',
                    name: '肉类',
                    createTime: '2022-04-27'
                },
                {
                    id: 2,
                    title: '红烧肉',
                    name: '肉类',
                    createTime: '2022-04-27'
                },
                {
                    id: 2,
                    title: '红烧肉',
                    name: '肉类',
                    createTime: '2022-04-27'
                },
                {
                    id: 2,
                    title: '红烧肉',
                    name: '肉类',
                    createTime: '2022-04-27'
                },
                {
                    id: 2,
                    title: '红烧肉',
                    name: '肉类',
                    createTime: '2022-04-27'
                },
                {
                    id: 2,
                    title: '红烧肉',
                    name: '肉类',
                    createTime: '2022-04-27'
                }
            ]
        };
    },
    methods: {
        // 监听滑动
        onChangeTab(e) {
            this.changeTab(e.detail.current);
        },
        // 切换选项
        changeTab(index) {
            console.log(index);
            if (this.tabIndex === index) {
                return;
            }
            this.tabIndex = index;
            // 滚动到指定元素
            this.scrollInto = 'tab' + index;
        }
    },
    onLoad() {
        uni.getSystemInfo({
            success: res => {
                console.log('wuwuFQ:', res);
                this.scrollH = res.windowHeight - 40;
                // #ifdef MP
                this.scrollH -= 44;
                // #endif
                console.log('wuwuFQ:', this.scrollH);
            }
        });
    }
};
</script>

<style>
.pagecontrol-top-scroll {
    height: 40px;
    width: 100%;
    white-space: nowrap;
    box-sizing: border-box;
    border-bottom-width: 1rpx;
    border-bottom-style: solid;
    border-bottom-color: #ededed;
}

.pagecontrol-top-title {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: space-around;
}

.pagecontrol-top-text {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.pagecontrol-top-normal {
    color: black;
    font-size: 16px;
}

.pagecontrol-top-selected {
    color: #0abafa;
    font-size: 17px;
}

.pagecontrol-bottom-line {
    width: 100%;
    height: 1px;
    margin-top: 2px;
    background-color: #0abafa;
}

.pagecontrol-bottom-line-show {
    visibility: visible;
}

.pagecontrol-bottom-line-visibility {
    visibility: hidden;
}

.order-item {
    background-color: #ffffff;
    padding: 20rpx;
    border-radius: 15rpx;
    margin: 15rpx;
}

.order-top-view {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10rpx;
}

.order-store-name {
    font-size: 16px;
    font-weight: 500;
}

.order-status {
    font-size: 12px;
    color: #a5a5a5;
}

.order-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.order-date {
    margin: 6rpx 0;
}

.bottom-buttons {
    margin-top: 10rpx;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.button-tag {
    margin-left: 40rpx;
    height: 30px;
    line-height: 30px;
    padding: 0 20px;
    border-radius: 15px;
    color: #a5a5a5;
    border: 1px solid #ededed;
}
</style>